Comprehensive and detailed guides provide information about Zmanda Cloud Backup 2.0.2.x releases. The offline documentation is also available from the ZCB UI (Help>Getting Started, Help>FAQ)
Zmanda Cloud Backup 2.0.2.X Release notes
Zmanda Cloud Backup 2.0 Release notes (Provides information about new 2.0.x features)
Zmanda Cloud Backup Getting Started Guide (PDF)
Zmanda Cloud Backup FAQ (PDF)